This book will be help to improve small ruminant productivity in general and sheep production in particular in small and large scale farms. It explains about the supplementation of Afar rams fed teff straw basal feed with graded levels of mixtures of protein (noug cake and sesame cake) and energy (wheat bran) sources, It include the chemical composition of the different feed ingredients and their effects on feed intake, digestibility, live weight and carcass parameters. It also provided additional information about the Ethiopian small ruminant production system and other research results...